Farhadi, R., Daghighkia, H., Hoseinkhani, A., Ghasemi Panahi, B., Dehghan, G. R., Ashrafi, I. (2015). 'Effect of Origanum vulgare ethanol extract on quality parameters and malondialdehyde concentration of cryopreserved Holstein bull sperm', Animal Science Research, 25(1), pp. 1-11.